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Computer Science

136)Binary equivalent of 8 is
100 1000
1111 0001
Answer :

137)Which gate is similar to the function of two series switches?
AND OR
NOR NAND
Answer :

138)Which gate is similar to the function of two parallel switches?
AND OR
NAND NOR
Answer :

139)Which memory is highest in speed
RAM ROM
Cache Processor register
Answer :

140)Which one of the following comsumes least power?
ECL CMOS chip
TTL None of these
Answer :

141)Out of LCD & LED which one consumes least power?
LCD LED
Both consumes same power None of these
Answer :

142)A device that converts from decimal to binary number is called
Encoder Decoder
Converter None of these
Answer :


143)How many flip flops are required to make a 4 bit counter?
2 4
6 8
Answer :

144)Out of LCD & LED which one is slower in speed?
LED LCD
Both have same speed None of these
Answer :

145)Which logic circuit is fastest?
RTL TTL
DTL None of these
Answer :

146)Which one of the following is minimum error code
Binary code Gray code
Octal code None of these
Answer :

147)Which of the following system is digital?
PWM PCM
PPM PFM
Answer :

148)Which of the following computer language is used mainly for mathematical purpose?
C++ BASIC
JAVA FORTRAN
Answer :

149)How many types of buses are there in a microprocessor?
1 2
3 4
Answer :

150)Which one of the following is not a network topology
Star Bus
Graph Ruster
Answer :

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